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Author Question: A random sample of 100 students at a high school was asked whether they would ask their father or ... (Read 120 times)

naturalchemist

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on: Jul 24, 2018
A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem.
 
  Forty-three students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help. Construct a 98 confidence interval for p1 - p2. A) (-0.204, 0.124 ) B) (-1.324, 1.521 ) C) (-0.591, 0.762 ) D) (-1.113, 1.311 )

Question 2

The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 5 tickets per day.
 
  Find the probability that exactly eight tickets are written on a randomly selected day from this distribution. A) 0.065278 B) 0.005476 C) 0.003250 D) 0.000273


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nicoleclaire22

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


naturalchemist

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Reply #2 on: Jul 24, 2018
TY


nicoleclaire22

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Reply #3 on: Jul 24, 2018
You're welcome


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